Ionization chamber for an electronic smoke detector
USD260378S · kind S · design
6Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 1978 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Aug 25, 1995 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.